Superior Rune of the Engineer
 
Element: Skill
Double-click to apply to a piece of armor.
(1): +25 Toughness
(2): +35 Condition Damage
(3): +50 Toughness
(4): +65 Condition Damage
(5): +100 Toughness
(6): +125 Condition Damage
Legendary
Rune - Upgrade Component
Required level: 60
Account Bound on Use